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How to use given method of org.mockito.kotlin.BDDMockito class

Best Mockito-kotlin code snippet using org.mockito.kotlin.BDDMockito.given

AsyncRetryExecutorManyFailuresKotlinTest.kt

Source:AsyncRetryExecutorManyFailuresKotlinTest.kt

...30class AsyncRetryExecutorManyFailuresKotlinTest : AbstractRetryKotlinTest() {31  @Test32  @Throws(Exception::class)33  fun shouldRethrowIfFirstFewExecutionsThrow() {34    //given35    val executor = AsyncRetryExecutor(schedulerMock).withMaxRetry(2)36    BDDMockito37        .given<String>(serviceMock.sometimesFails())38        .willThrow(IllegalStateException(DON_T_PANIC))39    //when40    val promise = executor.getWithRetry { serviceMock.sometimesFails() }41    promise.success {42      println("Success")43    }44//    //then45//    promise.ready()46//    assertThat(promise.isFailure()).isTrue()47//    try {48//      promise.get()49//      failBecauseExceptionWasNotThrown(IllegalStateException::class.java)50//    } catch (t: ExecutionException) {51//      val actualCause = t.cause!!52//      assertThat(actualCause).isInstanceOf(IllegalStateException::class.java)53//      assertThat(actualCause.message).isEqualTo(DON_T_PANIC)54//    }55  }56  @Test57  @Throws(Exception::class)58  fun shouldRetryAfterManyExceptionsAndReturnValue() {59    //given60    val executor = AsyncRetryExecutor(schedulerMock)61    BDDMockito62        .given<String>(serviceMock.sometimesFails())63        .willThrow(IllegalStateException::class.java,64                   IllegalStateException::class.java,65                   IllegalStateException::class.java)66        .willReturn("Foo")67    //when68    val promise = executor.getWithRetry { serviceMock.sometimesFails() }69    //then70    assertThat(promise.get()).isEqualTo("Foo")71  }72  @Test73  @Throws(Exception::class)74  fun shouldSucceedWhenTheSameNumberOfRetriesAsFailuresAllowed() {75    //given76    val executor = AsyncRetryExecutor(schedulerMock).withMaxRetry(3)77    BDDMockito78        .given<String>(serviceMock.sometimesFails())79        .willThrow(IllegalStateException::class.java,80                   IllegalStateException::class.java,81                   IllegalStateException::class.java)82        .willReturn("Foo")83    //when84    val promise = executor.getWithRetry { serviceMock.sometimesFails() }85    //then86    assertThat(promise.get()).isEqualTo("Foo")87  }88  @Test89  @Throws(Exception::class)90  fun shouldRetryManyTimesIfFirstExecutionsThrowException() {91    //given92    val executor = AsyncRetryExecutor(schedulerMock)93    BDDMockito94        .given<String>(serviceMock.sometimesFails())95        .willThrow(IllegalStateException::class.java,96                   IllegalStateException::class.java,97                   IllegalStateException::class.java)98        .willReturn("Foo")99    //when100    executor.getWithRetry { serviceMock.sometimesFails() }101    //then102    verify<FaultyService>(serviceMock, times(4)).sometimesFails()103  }104  @Test105  @Throws(Exception::class)106  fun shouldScheduleRetryWithDefaultDelay() {107    //given108    val executor = AsyncRetryExecutor(schedulerMock)109    BDDMockito110        .given<String>(serviceMock.sometimesFails())111        .willThrow(IllegalStateException::class.java,112                   IllegalStateException::class.java,113                   IllegalStateException::class.java)114        .willReturn("Foo")115    //when116    executor.getWithRetry<String>(Callable<String> { serviceMock.sometimesFails() })117    //then118    val inOrder = inOrder(schedulerMock)119    inOrder.verify(schedulerMock).schedule(notNullRunnable(), eq(0L), millis())120    inOrder.verify(schedulerMock, times(3)).schedule(notNullRunnable(), eq(DEFAULT_PERIOD_MILLIS), millis())121    inOrder.verifyNoMoreInteractions()122  }123  @Test124  @Throws(Exception::class)125  fun shouldPassCorrectRetryCountToEachInvocationInContext() {126    //given127    val executor = AsyncRetryExecutor(schedulerMock)128    BDDMockito.given(serviceMock.calculateSum(0)).willThrow(IllegalStateException::class.java)129    BDDMockito.given(serviceMock.calculateSum(1)).willThrow(IllegalStateException::class.java)130    BDDMockito.given(serviceMock.calculateSum(2)).willThrow(IllegalStateException::class.java)131    BDDMockito.given(serviceMock.calculateSum(3)).willReturn(BigDecimal.ONE)132    //when133    executor.getWithRetry { ctx -> serviceMock.calculateSum(ctx.retryCount) }134    //then135    val order = inOrder(serviceMock)136    order.verify(serviceMock).calculateSum(0)137    order.verify(serviceMock).calculateSum(1)138    order.verify(serviceMock).calculateSum(2)139    order.verify(serviceMock).calculateSum(3)140    order.verifyNoMoreInteractions()141  }142}...

AsyncRetryExecutorManualAbortKotlinTest.kt

Source:AsyncRetryExecutorManualAbortKotlinTest.kt

...30class AsyncRetryExecutorManualAbortKotlinTest : AbstractRetryKotlinTest() {31  @Test32  @Throws(Exception::class)33  fun shouldRethrowIfFirstExecutionThrowsAnExceptionAndNoRetry() {34    // given35    val executor = AsyncRetryExecutor(schedulerMock).dontRetry()36    BDDMockito.given(serviceMock.sometimesFails()).willThrow(IllegalStateException(DON_T_PANIC))37    // when38    val promise = executor.getWithRetry { serviceMock.sometimesFails() }39    // then40    promise.ready()41    assertThat(promise.isFailure()).isTrue()42    assertThat(promise.getError()).isInstanceOf(IllegalStateException::class.java)43  }44  @Test45  @Throws(Exception::class)46  fun shouldRetryAfterOneExceptionAndReturnValue() {47    // given48    val executor = AsyncRetryExecutor(schedulerMock)49    BDDMockito.given(serviceMock.sometimesFails()).willThrow(IllegalStateException::class.java).willReturn("Foo")50    // when51    val promise = executor.getWithRetry { serviceMock.sometimesFails() }52    // then53    assertThat(promise.get()).isEqualTo("Foo")54  }55  @Test56  @Throws(Exception::class)57  fun shouldSucceedWhenOnlyOneRetryAllowed() {58    // given59    val executor = AsyncRetryExecutor(schedulerMock).withMaxRetry(1)60    BDDMockito.given(serviceMock.sometimesFails()).willThrow(IllegalStateException::class.java).willReturn("Foo")61    // when62    val promise = executor.getWithRetry { serviceMock.sometimesFails() }63    // then64    assertThat(promise.get()).isEqualTo("Foo")65  }66  @Test67  @Throws(Exception::class)68  fun shouldRetryOnceIfFirstExecutionThrowsException() {69    // given70    val executor = AsyncRetryExecutor(schedulerMock)71    BDDMockito.given(serviceMock.sometimesFails()).willThrow(IllegalStateException::class.java).willReturn("Foo")72    // when73    executor.getWithRetry { serviceMock.sometimesFails() }74    // then75    verify<FaultyService>(serviceMock, times(2)).sometimesFails()76  }77  @Test78  @Throws(Exception::class)79  fun shouldScheduleRetryWithDefaultDelay() {80    // given81    val executor = AsyncRetryExecutor(schedulerMock)82    BDDMockito.given(serviceMock.sometimesFails()).willThrow(IllegalStateException::class.java).willReturn("Foo")83    // when84    executor.getWithRetry { serviceMock.sometimesFails() }85    // then86    val order = inOrder(schedulerMock)87    order.verify(schedulerMock).schedule(notNullRunnable(), eq(0L), millis())88    order.verify(schedulerMock).schedule(notNullRunnable(), eq(DEFAULT_PERIOD_MILLIS), millis())89    order.verifyNoMoreInteractions()90  }91  @Test92  @Throws(Exception::class)93  fun shouldPassCorrectRetryCountToEachInvocationInContext() {94    //given95    val executor = AsyncRetryExecutor(schedulerMock)96    BDDMockito.given(serviceMock.calculateSum(0)).willThrow(IllegalStateException::class.java)97    BDDMockito.given(serviceMock.calculateSum(1)).willReturn(BigDecimal.ONE)98    //when99    executor.getWithRetry { ctx -> serviceMock.calculateSum(ctx.retryCount) }100    //then101    val order = inOrder(serviceMock)102    order.verify(serviceMock).calculateSum(0)103    order.verify(serviceMock).calculateSum(1)104    order.verifyNoMoreInteractions()105  }106}...

BDDMockito.kt

Source:BDDMockito.kt

...29import org.mockito.kotlin.internal.SuspendableAnswer30import org.mockito.stubbing.Answer31import kotlin.reflect.KClass32/**33 * Alias for [BDDMockito.given].34 */35fun <T> given(methodCall: T): BDDMockito.BDDMyOngoingStubbing<T> {36    return BDDMockito.given(methodCall)37}38/**39 * Alias for [BDDMockito.given] with a lambda.40 */41fun <T> given(methodCall: () -> T): BDDMyOngoingStubbing<T> {42    return given(methodCall())43}44/**45 * Alias for [BDDMockito.then].46 */47fun <T> then(mock: T): BDDMockito.Then<T> {48    return BDDMockito.then(mock)49}50/**51 * Alias for [BDDMyOngoingStubbing.will]52 * */53infix fun <T> BDDMyOngoingStubbing<T>.will(value: Answer<T>): BDDMockito.BDDMyOngoingStubbing<T> {54    return will(value)55}56/**...

FuncionarioServiceTest.kt

Source:FuncionarioServiceTest.kt

...28    private val id: String = "1"29    @BeforeEach30    @Throws(Exception::class)31    fun setUp() {32        BDDMockito.given(funcionarioRepository?.save(Mockito.any(Funcionario::class.java)))33            .willReturn(funcionario())34        BDDMockito.given(funcionarioRepository?.findById(id)).willReturn(Optional.of(funcionario()))35        BDDMockito.given(funcionarioRepository?.findByEmail(email)).willReturn(funcionario())36        BDDMockito.given(funcionarioRepository?.findByCpf(cpf)).willReturn(funcionario())37    }38    @Test39    fun testPersistirFuncionario() {40        val funcionario: Funcionario? = this.funcionarioService?.persistir(funcionario())41        Assertions.assertNotNull(funcionario)42    }43    @Test44    fun testBuscarFuncionarioPorId() {45        val funcionario: Funcionario? = this.funcionarioService?.buscarPorId(id)46        Assertions.assertNotNull(funcionario)47    }48    @Test49    fun testBuscarFuncionarioPorEmail() {50        val funcionario: Funcionario? = this.funcionarioService?.buscarPorEmail(email)...

EmployeeServiceTest.kt

Source:EmployeeServiceTest.kt

...26    private val document: String = "00000000000000"27    private val id: String = "1"28    @BeforeEach29    fun setup() {30        BDDMockito.given(employeeRepository?.save(Mockito.any(Employee::class.java))).willReturn(employee())31        BDDMockito.given(employeeRepository?.findByDocument(document)).willReturn(employee())32        BDDMockito.given(employeeRepository?.findByEmail(email)).willReturn(employee())33        BDDMockito.given(employeeRepository?.findById(id)).willReturn(Optional.of(employee()))34    }35    @Test36    fun findByDocumentTest() {37        val employee = employeeService?.findByDocument(document)38        Assertions.assertNotNull(employee)39    }40    @Test41    fun findByEmailTest() {42        val employee = employeeService?.findByEmail(email)43        Assertions.assertNotNull(employee)44    }45    @Test46    fun findByIdTest() {47        val employee = employeeService?.findById(id)...

EmployeeListViewModelTest.kt

Source:EmployeeListViewModelTest.kt

...14import org.junit.Before15import org.junit.Rule16import org.junit.Test17import org.junit.runner.RunWith18import org.mockito.BDDMockito.given19import org.mockito.BDDMockito.verify20import org.mockito.Mock21import org.mockito.MockitoAnnotations22import org.mockito.junit.MockitoJUnitRunner23import kotlin.test.assertEquals24import kotlin.test.assertNotNull25@ExperimentalCoroutinesApi26@RunWith(MockitoJUnitRunner::class)27class EmployeeListViewModelTest {28    @get:Rule29    var instantTaskExecutorRule = InstantTaskExecutorRule()30    @get:Rule31    var mainCoroutinesRule = MainCoroutinesRule()32    private lateinit var viewModel: EmployeeListViewModel33    private val _res: MutableLiveData<Resource<List<Employee>>> = MutableLiveData()34    val res: LiveData<Resource<List<Employee>>> = _res35    @Mock36    lateinit var repository: EmployeeRepository37    @Mock38    lateinit var employeeListResponseObserver: Observer<Resource<List<Employee>>>39    @Before40    fun setup() {41        MockitoAnnotations.openMocks(this)42        viewModel = EmployeeListViewModel(repository)43    }44    @Test45    fun `return employee list success`() {46        runTest {47            val flow = flow<Resource<List<Employee>>> {48                emit(Resource.loading(null))49            }50            flow.collect {51                _res.value = it52            }53            viewModel.employees.observeForever(employeeListResponseObserver)54            given(repository.getEmployeeList()).willReturn(flow)55            verify(repository).getEmployeeList()56            viewModel.getAllEmployees()57            assertNotNull(viewModel.employees.value)58            assertEquals(res.value, viewModel.employees.getOrAwaitValueTest())59        }60    }61}...

LancamentoServiceTest.kt

Source:LancamentoServiceTest.kt

...26    @BeforeEach27    @Throws(Exception::class)28    fun setUp() {29        BDDMockito30            .given<Page<Lancamento>>(lancamentoRepository?.findByFuncionarioId(id, PageRequest.of(0, 10)))31            .willReturn(PageImpl(ArrayList<Lancamento>()))32        BDDMockito.given(lancamentoRepository?.findById("1")).willReturn(Optional.of(lancamento()))33        BDDMockito.given(lancamentoRepository?.save(Mockito.any(Lancamento::class.java)))34            .willReturn(lancamento())35    }36    @Test37    fun testBuscarFuncionarioPorFuncionarioId(){38        val lancamento: Page<Lancamento>? = this.lancamentoService?.buscarPorFuncionarioId(id,PageRequest.of(0,10))39        Assertions.assertNotNull(lancamento)40    }41    @Test42    fun testBuscarLancamentoPorId(){43        val lancamento: Lancamento? = this.lancamentoService?.buscarPorId(id)44        Assertions.assertNotNull(lancamento)45    }46    @Test47    fun testPersistirLancamento(){...

MessageServiceTest.kt

Source:MessageServiceTest.kt

...5import org.junit.jupiter.api.Test6import org.junit.jupiter.api.extension.ExtendWith7import org.mockito.BDDMockito.anyString8import org.mockito.BDDMockito.atLeastOnce9import org.mockito.BDDMockito.given10import org.mockito.BDDMockito.verify11import org.mockito.Mock12import org.mockito.junit.jupiter.MockitoExtension13import reactor.core.publisher.Mono14import reactor.kotlin.core.publisher.toFlux15import reactor.kotlin.core.publisher.toMono16import reactor.kotlin.test.test17/**18 * Created by wonwoo on 2016. 10. 27..19 */20@ExtendWith(MockitoExtension::class)21class MessageServiceTest(@Mock private val messageRepository: MessageRepository) {22    private lateinit var messageService: MessageService23    private val account = Account("wonwoo", "pw")24    @BeforeEach25    fun setup() {26        messageService = MessageService(messageRepository)27    }28    @Test29    fun findAll() {30        val messages = listOf(Message(message = "test message", account = account)).toFlux()31        given(messageRepository.findAll()).willReturn(messages)32        val findAllMessages = messageService.findAll()33        findAllMessages.test().assertNext {34            assertThat(it.message).isEqualTo("test message")35        }.verifyComplete()36    }37    @Test38    fun save() {39        val message = Message(message = "test message", account = account)40        given(messageRepository.save(message)).willReturn(message.toMono())41        val saveMessage = messageService.save(message)42        saveMessage.test().assertNext {43            assertThat(it.message).isEqualTo("test message")44        }.verifyComplete()45    }46    @Test47    fun delete() {48        given(messageRepository.deleteById(anyString())).willReturn(Mono.empty())49        val delete = messageService.delete("test")50        delete.test().then {51            verify(messageRepository, atLeastOnce()).deleteById("test")52        }.verifyComplete()53    }54}...

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